Which of the following is true about the graph of y = -x2 – 4? A) it intersects the x-axis at (2,0) and (-2,0)
B) it is positive between x=2 and x=10
C) the maximum is at (0,-4)
D) the values increase between x=0 and x=10

the 2 figures are congruent bc if you reflect abcd over the y axis then over the d axis the figures overlap

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,

i think the answer is b

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